Chapter1: PHP Crash Course

<?php
  echo "<p>Order processed at ";
  echo date('H:i, jS F Y');
  echo "</p>";
?>

Basic style of php

$_POST['tireqty']

Basic style of variables

$a = 5;
$b = &$a;
$a = 7; // $a and $b are now both 7

Reference Operator